SELECT
    DH.PF_CODE AS CODE,
    PF.PF_NAME AS NAME,
    ROUND(
        100 * SUM(
            CASE DH.CATEGORY_CODE
                WHEN '120' THEN DH.AMT
                ELSE 0
            END)
        /SUM(
            CASE DH.CATEGORY_CODE
                WHEN '110' THEN DH.AMT
                ELSE 0
            END
        )
        ,1
    ) AS PERCENTAGE
FROM
    DRINK_HABITS AS DH
    INNER JOIN PREFECTURE AS PF
        ON PF.PF_CODE = DH.PF_CODE
WHERE
    DH.GENDER_CODE IN ('2', '3')
GROUP BY
    DH.PF_CODE 
ORDER BY
    PERCENTAGE DESC,
    CODE DESC;